by taptu.com

Get all the latest green news with Taptu Guardian Environment. It pulls from popular blogs and websites and lets you curate your own personal news stream. This one is an absolute must for anyone interested in the environment.

by Shine Technologies

The biggest impediment to Green efforts is that ignorance and misinformation about global warming in particular, abounds; there are doubters and nay-sayers everywhere. This app breaks down common misconceptions like "it's not happening" or "It's not bad" and then offers factual peer-reviewed scientific research to contest almost any irrational argument you may encounter.

by Key Lime 314, LLC

One great way of conserving energy and reducing your electricity bill is to find out which appliances are the biggest drain in your home. Here's an app that does that for you. Enter your current rate (per KW hour) select anything from an xbox to a fish tank and see what it's really costing you and the earth. The app even calculates your carbon footprint.

by 1-800-Recycling.com

Everyone knows recycling is a key factor in any Green effort. But it's not always easy to know where to bring everything or even what, specifically, is recyclable. This app offers a solution by helping you create a very specific list from nine categories of common recyclables, and then finds a location near you that accepts them.

by GoodGuide, Inc.

Changing what you buy, and even how you shop is another way to help the Earth. Some products are less toxic than others, some companies have a better environmental track record than others. This app helps you sort through over 70,000 Food, Personal Care, Household Cleaners, Toys, and Paper products. You just use iPhone camera as a bar code scanner and find out everything you need to know. Then share the info on social media and create shopping and blacklists.

by Raureif

Reduce your impact on the environment, learn more about how to do so, and make it fun with this app. Earn Game Center achievements for each challenge you complete, such as choosing certified organic clothing, ecological alternatives for skin care, and locally grown food.

by Readabl, Inc.

I haven't been able to test this for long enough to see if it really works; but it certainly seems worth a shot. Simply snap photos of your junk mail and catalogs, tap "unsubscribe", and Paper Karma does the rest. Over the next couple of months, you should see a reduction in the amount of junk mail cluttering your mailbox (and the world).

by Monterey Bay Aquarium

This app is a must-have if you are a seafood lover. Get informed on what ocean-friendly fish is and how to find it. You can even contribute to the app by entering restaurants that serve sustainable seafood.

by TabTale LTD

There is not a more receptive, nor a more important group to educate about the environment than children. It's their future that is at stake after all. This beautiful free ebook created just for Earth Day will engage your youngest eco-warriors with a charming story, animations, and tons of interactive features. It has an almost perfect rating in the App Store.

by Oceanhouse Media

If anyone knows how to engage kids, it's the great Dr Seuss. The Lorax is a cautionary tale about corporate greed, deforestation, and extinction. The Once-ler recounts how the Lorax "who speaks for the trees" tried and failed to save the Truffula Forest and its inhabitants from his Thneeds Factory. The app comes with read-it-myself or read-it-to-me options and renders the Green classic beautifully for iOS.

by Miniclip.com

by Studio Pepwuper, Inc

This game already had an environmental theme. The object is to move water, air, and sun in order to save three plants from the ravages of dust, flooding, and drought. It's simple, challenging, and the developers are adding an Earth Day update that promises to help explain the day and provide resources for learning more.